gstreamer/tests/check/elements/videorate.c

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/* GStreamer
*
* unit test for videorate
*
* Copyright (C) 2006 Thomas Vander Stichele <thomas at apestaart dot org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <unistd.h>
#include <gst/check/gstcheck.h>
gboolean have_eos = FALSE;
/* For ease of programming we use globals to keep refs for our floating
* src and sink pads we create; otherwise we always have to do get_pad,
* get_peer, and then remove references in every test function */
GstPad *mysrcpad, *mysinkpad;
#define VIDEO_CAPS_TEMPLATE_STRING \
"video/x-raw-yuv"
#define VIDEO_CAPS_STRING \
"video/x-raw-yuv, " \
"width = (int) 320, " \
"height = (int) 240, " \
"framerate = (fraction) 25/1 , " \
"format = (fourcc) I420"
#define VIDEO_CAPS_NO_FRAMERATE_STRING \
"video/x-raw-yuv, " \
"width = (int) 320, " \
"height = (int) 240, " \
"format = (fourcc) I420"
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (VIDEO_CAPS_TEMPLATE_STRING)
);
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (VIDEO_CAPS_TEMPLATE_STRING)
);
void
assert_videorate_stats (GstElement * videorate, gchar * reason,
guint64 xin, guint64 xout, guint64 xdropped, guint64 xduplicated)
{
guint64 in, out, dropped, duplicated;
g_object_get (videorate, "in", &in, "out", &out, "drop", &dropped,
"duplicate", &duplicated, NULL);
#define _assert_equals_uint64(a, b) \
G_STMT_START { \
guint64 first = a; \
guint64 second = b; \
fail_unless(first == second, \
"%s: '" #a "' (%" G_GUINT64_FORMAT ") is not equal to " \
"expected '" #a"' (%" G_GUINT64_FORMAT ")", reason, first, second); \
} G_STMT_END;
_assert_equals_uint64 (in, xin);
_assert_equals_uint64 (out, xout);
_assert_equals_uint64 (dropped, xdropped);
_assert_equals_uint64 (duplicated, xduplicated);
}
GstElement *
setup_videorate ()
{
GstElement *videorate;
GST_DEBUG ("setup_videorate");
videorate = gst_check_setup_element ("videorate");
mysrcpad = gst_check_setup_src_pad (videorate, &srctemplate, NULL);
mysinkpad = gst_check_setup_sink_pad (videorate, &sinktemplate, NULL);
gst_pad_set_active (mysrcpad, TRUE);
gst_pad_set_active (mysinkpad, TRUE);
return videorate;
}
void
cleanup_videorate (GstElement * videorate)
{
GST_DEBUG ("cleanup_videorate");
g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
g_list_free (buffers);
buffers = NULL;
gst_element_set_state (videorate, GST_STATE_NULL);
gst_element_get_state (videorate, NULL, NULL, GST_CLOCK_TIME_NONE);
gst_check_teardown_src_pad (videorate);
gst_check_teardown_sink_pad (videorate);
gst_check_teardown_element (videorate);
}
GST_START_TEST (test_one)
{
GstElement *videorate;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
videorate = setup_videorate ();
fail_unless (gst_element_set_state (videorate,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
inbuffer = gst_buffer_new_and_alloc (4);
memset (GST_BUFFER_DATA (inbuffer), 0, 4);
caps = gst_caps_from_string (VIDEO_CAPS_STRING);
gst_buffer_set_caps (inbuffer, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
/* ... and it is now stuck inside videorate */
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
fail_unless_equals_int (g_list_length (buffers), 0);
/* cleanup */
cleanup_videorate (videorate);
}
GST_END_TEST;
GST_START_TEST (test_more)
{
GstElement *videorate;
GstBuffer *first, *second, *third, *outbuffer;
GList *l;
GstCaps *caps;
videorate = setup_videorate ();
fail_unless (gst_element_set_state (videorate,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
assert_videorate_stats (videorate, "creation", 0, 0, 0, 0);
/* first buffer */
first = gst_buffer_new_and_alloc (4);
GST_BUFFER_TIMESTAMP (first) = 0;
memset (GST_BUFFER_DATA (first), 1, 4);
caps = gst_caps_from_string (VIDEO_CAPS_STRING);
gst_buffer_set_caps (first, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (first, "first", 1);
gst_buffer_ref (first);
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, first) == GST_FLOW_OK);
/* ... and it is now stuck inside videorate */
ASSERT_BUFFER_REFCOUNT (first, "first", 2);
fail_unless_equals_int (g_list_length (buffers), 0);
assert_videorate_stats (videorate, "first buffer", 1, 0, 0, 0);
/* second buffer; inbetween second and third output frame's timestamp */
second = gst_buffer_new_and_alloc (4);
GST_BUFFER_TIMESTAMP (second) = GST_SECOND * 3 / 50;
memset (GST_BUFFER_DATA (second), 2, 4);
caps = gst_caps_from_string (VIDEO_CAPS_STRING);
gst_buffer_set_caps (second, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (second, "second", 1);
gst_buffer_ref (second);
/* pushing gives away one of my references ... */
fail_unless (gst_pad_push (mysrcpad, second) == GST_FLOW_OK);
/* ... and it is now stuck inside videorate */
ASSERT_BUFFER_REFCOUNT (second, "second", 2);
/* ... and the first one is pushed out, with timestamp 0 */
fail_unless_equals_int (g_list_length (buffers), 1);
assert_videorate_stats (videorate, "second buffer", 2, 1, 0, 0);
ASSERT_BUFFER_REFCOUNT (first, "first", 2);
outbuffer = buffers->data;
fail_unless_equals_uint64 (GST_BUFFER_TIMESTAMP (outbuffer), 0);
/* third buffer */
third = gst_buffer_new_and_alloc (4);
GST_BUFFER_TIMESTAMP (third) = GST_SECOND * 12 / 50;
memset (GST_BUFFER_DATA (third), 3, 4);
caps = gst_caps_from_string (VIDEO_CAPS_STRING);
gst_buffer_set_caps (third, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (third, "third", 1);
gst_buffer_ref (third);
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, third) == GST_FLOW_OK);
/* ... and it is now stuck inside videorate */
ASSERT_BUFFER_REFCOUNT (third, "third", 2);
/* submitting the third buffer has triggered flushing of three more frames */
assert_videorate_stats (videorate, "third buffer", 3, 4, 0, 2);
/* check timestamp and source correctness */
l = buffers;
fail_unless_equals_uint64 (GST_BUFFER_TIMESTAMP (l->data), 0);
fail_unless_equals_int (GST_BUFFER_DATA (l->data)[0], 1);
l = g_list_next (l);
fail_unless_equals_uint64 (GST_BUFFER_TIMESTAMP (l->data), GST_SECOND / 25);
fail_unless_equals_int (GST_BUFFER_DATA (l->data)[0], 2);
l = g_list_next (l);
fail_unless_equals_uint64 (GST_BUFFER_TIMESTAMP (l->data),
GST_SECOND * 2 / 25);
fail_unless_equals_int (GST_BUFFER_DATA (l->data)[0], 2);
l = g_list_next (l);
fail_unless_equals_uint64 (GST_BUFFER_TIMESTAMP (l->data),
GST_SECOND * 3 / 25);
fail_unless_equals_int (GST_BUFFER_DATA (l->data)[0], 2);
fail_unless_equals_int (g_list_length (buffers), 4);
/* one held by us, three held by each output frame taken from the second */
ASSERT_BUFFER_REFCOUNT (second, "second", 4);
/* now send EOS */
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
/* submitting eos should flush out two more frames for tick 8 and 10 */
/* FIXME: right now it only flushes out one, so out is 5 instead of 6 ! */
assert_videorate_stats (videorate, "eos", 3, 5, 0, 2);
fail_unless_equals_int (g_list_length (buffers), 5);
/* cleanup */
gst_buffer_unref (first);
gst_buffer_unref (second);
gst_buffer_unref (third);
cleanup_videorate (videorate);
}
GST_END_TEST;
/* frames at 1, 0, 2 -> second one should be ignored */
GST_START_TEST (test_wrong_order_from_zero)
{
GstElement *videorate;
GstBuffer *first, *second, *third, *outbuffer;
GstCaps *caps;
guint64 in, out, dropped, duplicated;
videorate = setup_videorate ();
fail_unless (gst_element_set_state (videorate,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
assert_videorate_stats (videorate, "start", 0, 0, 0, 0);
/* first buffer */
first = gst_buffer_new_and_alloc (4);
GST_BUFFER_TIMESTAMP (first) = GST_SECOND;
memset (GST_BUFFER_DATA (first), 0, 4);
caps = gst_caps_from_string (VIDEO_CAPS_STRING);
gst_buffer_set_caps (first, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (first, "first", 1);
gst_buffer_ref (first);
GST_DEBUG ("pushing first buffer");
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, first) == GST_FLOW_OK);
/* ... and it is now stuck inside videorate */
ASSERT_BUFFER_REFCOUNT (first, "first", 2);
fail_unless_equals_int (g_list_length (buffers), 0);
assert_videorate_stats (videorate, "first", 1, 0, 0, 0);
/* second buffer */
second = gst_buffer_new_and_alloc (4);
GST_BUFFER_TIMESTAMP (second) = 0;
memset (GST_BUFFER_DATA (second), 0, 4);
caps = gst_caps_from_string (VIDEO_CAPS_STRING);
gst_buffer_set_caps (second, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (second, "second", 1);
gst_buffer_ref (second);
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, second) == GST_FLOW_OK);
/* ... and it is now dropped because it is too old */
ASSERT_BUFFER_REFCOUNT (second, "second", 1);
fail_unless_equals_int (g_list_length (buffers), 0);
/* ... and the first one is still there */
assert_videorate_stats (videorate, "second", 2, 0, 1, 0);
ASSERT_BUFFER_REFCOUNT (first, "first", 2);
/* third buffer */
third = gst_buffer_new_and_alloc (4);
GST_BUFFER_TIMESTAMP (third) = 2 * GST_SECOND;
memset (GST_BUFFER_DATA (third), 0, 4);
caps = gst_caps_from_string (VIDEO_CAPS_STRING);
gst_buffer_set_caps (third, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (third, "third", 1);
gst_buffer_ref (third);
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, third) == GST_FLOW_OK);
/* ... and it is now stuck inside videorate */
ASSERT_BUFFER_REFCOUNT (third, "third", 2);
/* and now the first one should be pushed once and dupped 24 + 13 times, to
* reach the half point between 1 s (first) and 2 s (third) */
fail_unless_equals_int (g_list_length (buffers), 38);
ASSERT_BUFFER_REFCOUNT (first, "first", 39);
ASSERT_BUFFER_REFCOUNT (second, "second", 1);
ASSERT_BUFFER_REFCOUNT (third, "third", 2);
assert_videorate_stats (videorate, "third", 3, 38, 1, 37);
/* verify last buffer */
outbuffer = g_list_last (buffers)->data;
fail_unless (GST_IS_BUFFER (outbuffer));
fail_unless_equals_uint64 (GST_BUFFER_TIMESTAMP (outbuffer),
GST_SECOND * 37 / 25);
/* cleanup */
gst_buffer_unref (first);
gst_buffer_unref (second);
gst_buffer_unref (third);
cleanup_videorate (videorate);
}
GST_END_TEST;
/* send frames with 0, 1, 2, 0 seconds */
GST_START_TEST (test_wrong_order)
{
GstElement *videorate;
GstBuffer *first, *second, *third, *fourth, *outbuffer;
GstCaps *caps;
guint64 in, out, dropped, duplicated;
videorate = setup_videorate ();
fail_unless (gst_element_set_state (videorate,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
assert_videorate_stats (videorate, "start", 0, 0, 0, 0);
/* first buffer */
first = gst_buffer_new_and_alloc (4);
GST_BUFFER_TIMESTAMP (first) = 0;
memset (GST_BUFFER_DATA (first), 0, 4);
caps = gst_caps_from_string (VIDEO_CAPS_STRING);
gst_buffer_set_caps (first, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (first, "first", 1);
gst_buffer_ref (first);
GST_DEBUG ("pushing first buffer");
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, first) == GST_FLOW_OK);
/* ... and it is now stuck inside videorate */
ASSERT_BUFFER_REFCOUNT (first, "first", 2);
fail_unless_equals_int (g_list_length (buffers), 0);
assert_videorate_stats (videorate, "first", 1, 0, 0, 0);
/* second buffer */
second = gst_buffer_new_and_alloc (4);
GST_BUFFER_TIMESTAMP (second) = GST_SECOND;
memset (GST_BUFFER_DATA (second), 0, 4);
caps = gst_caps_from_string (VIDEO_CAPS_STRING);
gst_buffer_set_caps (second, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (second, "second", 1);
gst_buffer_ref (second);
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, second) == GST_FLOW_OK);
/* ... and it is now stuck inside videorate */
ASSERT_BUFFER_REFCOUNT (second, "second", 2);
/* and it created 13 output buffers as copies of the first frame */
fail_unless_equals_int (g_list_length (buffers), 13);
assert_videorate_stats (videorate, "second", 2, 13, 0, 12);
ASSERT_BUFFER_REFCOUNT (first, "first", 14);
/* third buffer */
third = gst_buffer_new_and_alloc (4);
GST_BUFFER_TIMESTAMP (third) = 2 * GST_SECOND;
memset (GST_BUFFER_DATA (third), 0, 4);
caps = gst_caps_from_string (VIDEO_CAPS_STRING);
gst_buffer_set_caps (third, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (third, "third", 1);
gst_buffer_ref (third);
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, third) == GST_FLOW_OK);
/* ... and it is now stuck inside videorate */
ASSERT_BUFFER_REFCOUNT (third, "third", 2);
/* submitting a frame with 2 seconds triggers output of 25 more frames */
fail_unless_equals_int (g_list_length (buffers), 38);
ASSERT_BUFFER_REFCOUNT (first, "first", 14);
ASSERT_BUFFER_REFCOUNT (second, "second", 26);
/* three frames submitted; two of them output as is, and 36 duplicated */
assert_videorate_stats (videorate, "third", 3, 38, 0, 36);
/* fourth buffer */
fourth = gst_buffer_new_and_alloc (4);
GST_BUFFER_TIMESTAMP (fourth) = 0;
memset (GST_BUFFER_DATA (fourth), 0, 4);
caps = gst_caps_from_string (VIDEO_CAPS_STRING);
gst_buffer_set_caps (fourth, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (fourth, "fourth", 1);
gst_buffer_ref (fourth);
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, fourth) == GST_FLOW_OK);
/* ... and it is dropped */
ASSERT_BUFFER_REFCOUNT (fourth, "fourth", 1);
fail_unless_equals_int (g_list_length (buffers), 38);
ASSERT_BUFFER_REFCOUNT (first, "first", 14);
ASSERT_BUFFER_REFCOUNT (second, "second", 26);
assert_videorate_stats (videorate, "fourth", 4, 38, 1, 36);
/* verify last buffer */
outbuffer = g_list_last (buffers)->data;
fail_unless (GST_IS_BUFFER (outbuffer));
fail_unless_equals_uint64 (GST_BUFFER_TIMESTAMP (outbuffer),
GST_SECOND * 37 / 25);
/* cleanup */
gst_buffer_unref (first);
gst_buffer_unref (second);
gst_buffer_unref (third);
gst_buffer_unref (fourth);
cleanup_videorate (videorate);
}
GST_END_TEST;
/* if no framerate is negotiated, we should not be able to push a buffer */
GST_START_TEST (test_no_framerate)
{
GstElement *videorate;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
videorate = setup_videorate ();
fail_unless (gst_element_set_state (videorate,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
inbuffer = gst_buffer_new_and_alloc (4);
memset (GST_BUFFER_DATA (inbuffer), 0, 4);
caps = gst_caps_from_string (VIDEO_CAPS_NO_FRAMERATE_STRING);
gst_buffer_set_caps (inbuffer, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* take a ref so we can later check refcount */
gst_buffer_ref (inbuffer);
/* no framerate is negotiated so pushing should fail */
fail_if (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
gst_buffer_unref (inbuffer);
fail_unless_equals_int (g_list_length (buffers), 0);
/* cleanup */
cleanup_videorate (videorate);
}
GST_END_TEST;
Suite *
videorate_suite (void)
{
Suite *s = suite_create ("videorate");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_one);
tcase_add_test (tc_chain, test_more);
tcase_add_test (tc_chain, test_wrong_order_from_zero);
tcase_add_test (tc_chain, test_wrong_order);
tcase_add_test (tc_chain, test_no_framerate);
return s;
}
int
main (int argc, char **argv)
{
int nf;
Suite *s = videorate_suite ();
SRunner *sr = srunner_create (s);
gst_check_init (&argc, &argv);
srunner_run_all (sr, CK_NORMAL);
nf = srunner_ntests_failed (sr);
srunner_free (sr);
return nf;
}